find the area of the four walls of a cubical room whose side is 4m.find the cost of whitewashing the room at the rate of Rs5 per square meter
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Answer is 64 m^2 and Rs 320
Step-by-step explanation:
Side of cube = 4 m
Area of 4 walls = 4(side)
= 4(4)^2= 4×16 = 64m^2
Cost of whitewashing the room = Rs 5× 64
= Rs 320
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